| Term | History |
| 1 | Became a Courier at age 18 |
| 1 | When dealing with an alien race, you botch an opportunity to gather extra intelligence about them. |
| 1 | Psychologically damaged by your time in the scouts. |
| 2 | Continued as Courier at age 22 |
| 2 | Spend several years jumping from world to world in your scout ship. |
| 2 | Promoted to rank 1 |
| 2 | Is now a Scout |
| 3 | Continued as Courier at age 26 |
| 3 | Spend several years jumping from world to world in your scout ship. |
| 3 | Promoted to rank 2 |
| 4 | Voluntarily left Courier |
| 4 | Became a Engineer/Gunner at age 30 |
| 4 | Is now a Crewman |
| 4 | Vessel participates in a diplomatic mission. |
| 4 | Promoted to Engineer/Gunner rank 1 |
| 4 | Is now a Able Spacehand |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | Lost eye or limb. Fully recovered. |
| 6 | Became a Physician at age 38 |
| 6 | Scarred. Fully recovered. |
| 7 | Continued as Physician at age 42 |
| 7 | Cheated in some fashion, advancing your career and research by stealing another’s work, using an alien device, taking a shortcut and so forth. |
| 7 | Gain an Enemy |
| 7 | Promoted to rank 1 |
| 8 | Continued as Physician at age 46 |
| 8 | Caught cheating in some fashion, advancing your career and research by stealing another’s work, using an alien device, taking a shortcut and so forth. |
| 8 | Your work is sabotaged by unknown parties. You start again from scratch. |
| 8 | Gain an Enemy |
| 8 | Promoted to rank 2 |
| 9 | Continued as Physician at age 50 |
| 9 | Advanced training in a specialist field. |
| 10 | Continued as Physician at age 54 |
| 10 | Agreed to perform research that goes against your conscience. Gain 1 Enemies. |
| 10 | Promoted to rank 3 |